LAWYER PROFILE
Keith Fullenweider

Keith Fullenweider

Global 2026

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Chambers ranking badge

Ranked in 2 practice areas

Corporate/M&A (International & Cross-Border)

USA

7 years ranked

About

Provided by Vinson & Elkins LLP

Global

Practice Areas

Keith Fullenweider is Chair of the firm and a member of the firm’s Management Committee.

Keith maintains an active practice with private equity firms and their portfolio companies on their investments, financings, and exit transactions. In addition, he counsels private equity firms on structuring capital raises, new business opportunities and corporate development matters. Keith also has extensive experience in public company merger transactions, particularly those involving conflict, special committee processes and regulated industries.

Keith’s clients include some of the world’s most prominent private investors including TPG, Blackstone, KKR, Crestview, Quantum and EnCap.

Keith served as co-head of V&E’s corporate department from 2016 to 2021, and prior to that, he led the firm’s private equity and M&A practice, from 2008 to 2016. During that time, the firm saw a significant expansion of its private equity representations. Under Keith’s watch, V&E became the country’s No. 1 private equity energy practice1 and solidified its position as a leading legal advisor to private equity firms across industry sectors. V&E also maintained its No. 1 ranking in energy M&A transactions during each year in this period.

Chambers Review

Provided by Chambers

Chambers Global Guide

Energy: Oil & Gas (Transactional) - USA

Eminent Practitioner
Eminent Practitioners

Individual Editorial
Keith Fullenweider expertly advises private equity firms on the full spectrum of oil and gas transactions, including M&A, financing and securities matters.

Corporate/M&A (International & Cross-Border) - USA

Eminent Practitioner
Eminent Practitioners

Individual Editorial
Keith Fullenweider is the chair of Vinson & Elkins. His leading transactional practice sees him regularly work with the foremost private equity firms.

Ranked Individuals at Vinson & Elkins LLP (57)

Global Market Leaders

Ireland

Latin America - International Counsel

UK

United Arab Emirates

USA

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